Pith Number

pith:4MHB7QCF

pith:2018:4MHB7QCFTRUQEXDIWHK55WJA37

not attested not anchored not stored refs pending

Coexistence of Continuous Variable Quantum Key Distribution and 7 $\times$ 12.5 Gbit/s Classical Channels

Akio Tajima, Ken-ichiro Yoshino, Masahide Sasaki, Masahiro Takeoka, Mikio Fujiwara, Motoharu Ono, Ryo Namiki, Takuya Hirano, Tobias A. Eriksson

arxiv:1809.01287 v1 · 2018-09-05 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MHB7QCFTRUQEXDIWHK55WJA37}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:05:55.675612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30e1fc0459c69025c68b1d5ded920dff510fdd8eea5a2a35d68c2123cc6b081

Aliases

arxiv: 1809.01287 · arxiv_version: 1809.01287v1 · doi: 10.48550/arxiv.1809.01287 · pith_short_12: 4MHB7QCFTRUQ · pith_short_16: 4MHB7QCFTRUQEXDI · pith_short_8: 4MHB7QCF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4MHB7QCFTRUQEXDIWHK55WJA37 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e30e1fc0459c69025c68b1d5ded920dff510fdd8eea5a2a35d68c2123cc6b081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a926fdf64a3675b363918ab47fffce9dd2b60ebac257c62ebee043d70410167",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-05T01:16:38Z",
    "title_canon_sha256": "7a599037e9b8d38be0a307255410ed1e79e64ea34ba74903fe11d2777ad6b05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01287",
    "kind": "arxiv",
    "version": 1
  }
}